Buffalo to Chicago in October 2026

Dated one-way fares from Buffalo to Chicago in October 2026. Use the calendar to see which days are cheaper.

Lowest this month $104

Highest this month $125

Sample fare $90

Airports BUF–MDW

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October 2026 price calendar

From $104 · up to $125

Mon

Tue

Wed

Thu

Fri

Sat

Sun

5 $125 6 $114 7 $114 8 $114 9 $114 10 $114 11 $114 12 $114 13 $114 14 $114 15 $104

Chicago CHI

$90

Sep 18, 1:40pm · 5h 11m · 1 stop

BUF → MDW · Frontier Airlines

Chicago CHI

$93

Sep 14, 1:40pm · 5h 43m · 1 stop

BUF → ORD · Frontier Airlines

Chicago CHI

$94

Sep 17, 12:49pm · 11h 10m · 1 stop

BUF → ORD · Frontier Airlines

Chicago CHI

$94

Nov 09, 1:13pm · 23h 49m · 1 stop

BUF → ORD · Frontier Airlines

This page is only October 2026 on the Buffalo to Chicago route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Buffalo to Chicago in October 2026.